Live Nation is “looking through Liberty’s whole portfolio” for opportunities to work together, said Azoff, who pointed to home-shopping channel QVC, Sirius XM Radio Inc. and premium cable channel Starz as areas of interest.

Concert promoter Live Nation Entertainment Inc. is looking at possible acquisitions with John Malone’s Liberty Media Corp., its largest shareholder, and is considering ways the companies can work together.

The ties are deepening as Liberty Media increases its stake in Live Nation, the world’s biggest concert promoter and ticket- seller. Live Nation is “looking through Liberty’s whole portfolio” for opportunities to work together, said Azoff, who pointed to home-shopping channel QVC, Sirius XM Radio Inc. and premium cable channel Starz as areas of interest.